scholarly journals Effect of Tomato Varieties on the Tomato Borer Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) as a Main Insect Pest Attacking Tomato Plants in Damietta Governorate.

2018 ◽  
Vol 9 (3) ◽  
pp. 163-165
Author(s):  
H. El-Kady ◽  
Hagar Awadalla ◽  
Mai Eisa
Keyword(s):  
Insect Pest ◽  
Tuta Absoluta ◽  
Tomato Plants ◽  
Tomato Borer

scholarly journals The Tomato Borer Tuta Absoluta Meyrick (Lepidoptera, Gelechidae) Invading The Region of Ouargla (Desert of Algeria): Biology and Damage

2021 ◽  
Vol 910 (1) ◽  
pp. 012036
Author(s):  
CHENNOUF Rekia ◽  
SAGGOU Hayat ◽  
BENBRAHIM Keltoum ◽  
LAMRANI Cherifa ◽  
BRAHMI Karima
Keyword(s):  
Growth Cycle ◽  
Tuta Absoluta ◽  
Invasive Pest ◽  
Global Dynamics ◽  
Tomato Plants ◽  
Direct Capture ◽  
Secondary Infections ◽  
The Difference ◽  
Tomato Borer ◽  
Successive Generations

Abstract Tuta absoluta (Meyrick) is an invasive pest of tomato native to South America, where it is responsible for extensive damage. The study of this bioaggressor under greenhouse tomato in the region of Ouargla by pheromone traps showed that the global dynamics of populations T. absoluta 5 shows the difference in successive generations of six months is the growth cycle of tomato. There were a maximum of 1922 individuals in the three greenhouses studied. The life cycle of T. absoluta in tomato plants (T: 34 ° C H%: 50 - 60%) lasts 23.85 days. This pest has caused losses of up to 100% in leaves and fruits of tomato in February. Observation and direct capture to identify the natural enemies of T. absoluta as Chrysoperla carnea Coccinella algerica. and the parasitoid Trichogramma sp. Damage is directly related to the reduction of plants photosynthetic capacity and of production levels in tomato crops; indirect damage can be also caused by secondary infections, with pathogens developing on the infested plant and fruit tissues.

Comparative Effectiveness and Injury to Tomato Plants of Three Neotropical Mirid Predators of Tuta absoluta (Lepidoptera: Gelechiidae)

2018 ◽  
Vol 111 (3) ◽  
pp. 1080-1086 ◽  
Author(s):  
Joop C van Lenteren ◽  
V H P Bueno ◽  
F J Calvo ◽  
Ana M Calixto ◽  
Flavio C Montes
Keyword(s):  
Comparative Effectiveness ◽  
Tuta Absoluta ◽  
Tomato Plants

scholarly journals Citrus peel essential oil nanoformulations to control the tomato borer, Tuta absoluta: chemical properties and biological activity

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Orlando Campolo ◽  
Asma Cherif ◽  
Michele Ricupero ◽  
Gaetano Siscaro ◽  
Kaouthar Grissa-Lebdi ◽  
...  
Keyword(s):  
Biological Activity ◽  
Essential Oil ◽  
Chemical Properties ◽  
Tuta Absoluta ◽  
Citrus Peel ◽  
Tomato Borer

scholarly journals Expression of miR159 Is Altered in Tomato Plants Undergoing Drought Stress

Plants ◽  
2019 ◽  
Vol 8 (7) ◽  
pp. 201 ◽  
Author(s):  
María José López-Galiano ◽  
Inmaculada García-Robles ◽  
Ana I. González-Hernández ◽  
Gemma Camañes ◽  
Begonya Vicedo ◽  
...  
Keyword(s):  
Transcription Factor ◽  
Drought Stress ◽  
Regulatory Networks ◽  
Crop Yields ◽  
Insect Pest ◽  
Regulatory Function ◽  
Myb Transcription Factor ◽  
Regulation Of Transcription ◽  
Tomato Plants

In a scenario of global climate change, water scarcity is a major threat for agriculture, severely limiting crop yields. Therefore, alternatives are urgently needed for improving plant adaptation to drought stress. Among them, gene expression reprogramming by microRNAs (miRNAs) might offer a biotechnologically sound strategy. Drought-responsive miRNAs have been reported in many plant species, and some of them are known to participate in complex regulatory networks via their regulation of transcription factors involved in water stress signaling. We explored the role of miR159 in the response of Solanum lycopersicum Mill. plants to drought stress by analyzing the expression of sly-miR159 and its target SlMYB transcription factor genes in tomato plants of cv. Ailsa Craig grown in deprived water conditions or in response to mechanical damage caused by the Colorado potato beetle, a devastating insect pest of Solanaceae plants. Results showed that sly-miR159 regulatory function in the tomato plants response to distinct stresses might be mediated by differential stress-specific MYB transcription factor targeting. sly-miR159 targeting of SlMYB33 transcription factor transcript correlated with accumulation of the osmoprotective compounds proline and putrescine, which promote drought tolerance. This highlights the potential role of sly-miR159 in tomato plants’ adaptation to water deficit conditions.

The combined use of Bacillus thuringiensis and Nesidiocoris tenuis against the tomato borer Tuta absoluta

BioControl ◽  
2011 ◽  
Vol 56 (6) ◽  
pp. 883-891 ◽  
Author(s):  
Oscar Mollá ◽  
Joel González-Cabrera ◽  
Alberto Urbaneja
Keyword(s):  
Bacillus Thuringiensis ◽  
Tuta Absoluta ◽  
Combined Use ◽  
Nesidiocoris Tenuis ◽  
Tomato Borer

scholarly journals Parasitism of Tuta absoluta in tomato plants by Trichogramma pretiosum Riley in response to host density and plant structures

2008 ◽  
Vol 38 (6) ◽  
pp. 1504-1509 ◽  
Author(s):  
Cristina Arantes Faria ◽  
Jorge Braz Torres ◽  
Adriana Maria Vieira Fernandes ◽  
Angela Maria Isidro Farias
Keyword(s):  
Host Density ◽  
Tuta Absoluta ◽  
Plant Canopy ◽  
Trichogramma Pretiosum ◽  
Parasitism Rate ◽  
Tomato Plants ◽  
Processing Tomato ◽  
Upper Third ◽  
Oviposition Sites ◽  
Host Patch

One important factor determining the efficacy of parasitoids is the way they exploit different host patch. This study evaluated the response of females of Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae) to the oviposition sites of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) on processing tomato plants. In fully developed caged tomato plants T. absoluta moths were released, followed by the release of T. pretiosum females 12h later. After 24h of parasitoid release, the moth oviposition sites were mapped according to the plant canopy, and levels of parasitism assessed. The parasitism rate varied from 1.5 to 28%. There was not influence of plant structures on parasitism, except for the absence of parasitism on the plant apex. Levels of both T. absoluta oviposition and parasitism by T. pretiosum were higher on the upper third of the plant, decreasing downward along the plant canopy.

scholarly journals Increased water salinity applied to tomato plants accelerates the development of the leaf miner Tuta absoluta through bottom-up effects

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Peng Han ◽  
Zhi-jian Wang ◽  
Anne-Violette Lavoir ◽  
Thomas Michel ◽  
Aurélie Seassau ◽  
...  
Keyword(s):  
High Salinity ◽  
Saline Water ◽  
Development Rate ◽  
Tuta Absoluta ◽  
Water Salinity ◽  
Leaf Miner ◽  
Bottom Up ◽  
Tomato Plants ◽  
Tomato Leaf Miner ◽  
Pupal Mass

Abstract Variation in resource inputs to plants may trigger bottom-up effects on herbivorous insects. We examined the effects of water input: optimal water vs. limited water; water salinity: with vs. without addition of 100 mM NaCl; and their interactions on tomato plants (Solanum lycopersicum), and consequently, the bottom-up effects on the tomato leaf miner, Tuta absoluta (Meytick) (Lepidoptera: Gelechiidae). Plant growth was significantly impeded by limited water input and NaCl addition. In terms of leaf chemical defense, the production of tomatidine significantly increased with limited water and NaCl addition, and a similar but non-significant trend was observed for the other glycoalkaloids. Tuta absoluta survival did not vary with the water and salinity treatments, but the treatment “optimal water-high salinity” increased the development rate without lowering pupal mass. Our results suggest that caution should be used in the IPM program against T. absoluta when irrigating tomato crops with saline water.

Sign in / Sign up

Export Citation Format

Share Document